Wear the Fitbit Charge 2 Heart Rate Wristband Plum/Silver, Small every day to help you reach your fitness goals. This electronic activity tracker features interchangeable plum and silver plastic bands, so tracking your daily movement will be more comfortable. Including a PurePulse heart rate monitor, a distance tracker, a net calorie calculator, a step tracker as well as a movement alert, it will be great for every dedicated health-enthusiast looking to closely monitor their progress. The battery lasts for five days, making it ideal for long hiking trips. Equipped with phone updates on its water resistant OLED screen, it is ideal for seeing your incoming texts and missed calls and staying in the loop at all times. This fitness tracker includes the Fitbit App for sharing your growth with a supportive online community.